Malicious PDF — malware analysis report

Static analysis result for SHA-256 67df1354513ceed9…

MALICIOUS

PDF

44.8 KB Created: 2020-08-01 13:59:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5cdcbc6ae6b2694ed018434a7166b7ce SHA-1: 282839d54ef25f564e824d995db9894638d28de1 SHA-256: 67df1354513ceed9cb198bd7a3da5a7c71cd841ad0a48e380602c8047542159c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, with a primary redirector identified as 'https://ttraff.ru/pify?keyword=curved+dragon+greatsword'. This redirector is associated with a link farm strategy, pointing to a large number of other PDFs hosted on Shopify. The ML classifier strongly indicated maliciousness, and the presence of these redirectors and link farms suggests an attempt to distribute malicious content or conduct phishing. No scripts were extracted, but the PDF structure itself facilitates the attack.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=curved+dragon+greatsword In PDF document text
    • http://files.suzannewandling.com/uploads/1/3/1/3/131381540/fagafujozot.pdfIn PDF document text
    • http://files.cherishwifelife.com/uploads/1/3/2/6/132683246/xaxonikevami.pdfIn PDF document text
    • http://files.abspate.com/uploads/1/3/0/7/130739427/4cc0a6585.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7115/8949/files/5730115695.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1547/8176/files/duvipamezolekisek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2341/8019/files/23531385772.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0477/1999/files/25623583947.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8358/6977/files/dijozerebofatusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0291/2158/files/thomas_calculus_11th_edition_solution_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6219/7400/files/bexitutup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1126/7990/files/rotomegasibekamanowolog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7564/1247/files/pulutobesuror.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/fuwixuwomilokokamomedasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5477/5970/files/11983935024.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8402/1921/files/nafezofamoxivikusokido.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9966/8121/files/pinazuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3292/6616/files/jevidoliradezowina.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000668e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x668E 5020 bytes
SHA-256: 48bb38631f9ce7504f3d2e4879add70e60a38b644a571ea84d9e21b2554ee7f3
font_01_sfnt_off000077be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77BE 14844 bytes
SHA-256: 7e614f78ca06861682288cea2c8cd078ea5a2a5f03579b23e751f88044ac364d

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